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-rw-r--r--Documentation/devicetree/bindings/input/samsung-keypad.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/input/samsung-keypad.txt b/Documentation/devicetree/bindings/input/samsung-keypad.txt
index 942d071baaa5..863e77f619dc 100644
--- a/Documentation/devicetree/bindings/input/samsung-keypad.txt
+++ b/Documentation/devicetree/bindings/input/samsung-keypad.txt
@@ -36,9 +36,11 @@ Required Board Specific Properties:
- pinctrl-0: Should specify pin control groups used for this controller.
- pinctrl-names: Should contain only one value - "default".
+Optional Properties:
+- wakeup-source: use any event on keypad as wakeup event.
+
Optional Properties specific to linux:
- linux,keypad-no-autorepeat: do no enable autorepeat feature.
-- linux,keypad-wakeup: use any event on keypad as wakeup event.
Example: